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boards/iotlab-m3: configure and use DMA

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Used with UART and SPI peripheral
This commit is contained in:
Alexandre Abadie 2019-01-07 12:53:20 +01:00 committed by Vincent Dupont
parent 9ecf12119f
commit 0b6bccb543
4 changed files with 42 additions and 3 deletions
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33
boards/common/iotlab/include/periph_conf_common.h
View File

@ -68,6 +68,27 @@ extern "C" {
#define ADC_NUMOF (3)
/** @} */
/**
* @name DMA streams configuration
* @{
*/
#ifdef MODULE_PERIPH_DMA
static const dma_conf_t dma_config[] = {
{ .stream = 1 }, /* DMA1 Channel 2 - SPI1_RX */
{ .stream = 2 }, /* DMA1 Channel 3 - SPI1_TX */
{ .stream = 3 }, /* DMA1 Channel 4 - USART1_TX */
{ .stream = 5 }, /* DMA1 Channel 6 - USART2_TX */
};
#define DMA_0_ISR isr_dma1_channel2
#define DMA_1_ISR isr_dma1_channel3
#define DMA_2_ISR isr_dma1_channel4
#define DMA_3_ISR isr_dma1_channel6
#define DMA_NUMOF (sizeof(dma_config) / sizeof(dma_config[0]))
#endif
/** @} */
/**
* @name Timer configuration
* @{
@ -106,7 +127,11 @@ static const uart_conf_t uart_config[] = {
.rx_pin = GPIO_PIN(PORT_A, 10),
.tx_pin = GPIO_PIN(PORT_A, 9),
.bus = APB2,
.irqn = USART1_IRQn
.irqn = USART1_IRQn,
#ifdef MODULE_PERIPH_DMA
.dma = 2,
.dma_chan = 2
#endif
},
{
.dev = USART2,
@ -114,7 +139,11 @@ static const uart_conf_t uart_config[] = {
.rx_pin = GPIO_PIN(PORT_A, 3),
.tx_pin = GPIO_PIN(PORT_A, 2),
.bus = APB1,
.irqn = USART2_IRQn
.irqn = USART2_IRQn,
#ifdef MODULE_PERIPH_DMA
.dma = 3,
.dma_chan = 2
#endif
}
};

2
boards/iotlab-m3/Makefile.dep
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@ -1,5 +1,7 @@
include $(RIOTBOARD)/common/iotlab/Makefile.dep
FEATURES_REQUIRED += periph_dma
ifneq (,$(filter saul_default,$(USEMODULE)))
USEMODULE += isl29020
USEMODULE += lps331ap

2
boards/iotlab-m3/Makefile.features
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@ -1,3 +1,5 @@
include $(RIOTBOARD)/common/iotlab/Makefile.features
FEATURES_PROVIDED += periph_dma
include $(RIOTCPU)/stm32f1/Makefile.features

8
boards/iotlab-m3/include/periph_conf.h
View File

@ -39,7 +39,13 @@ static const spi_conf_t spi_config[] = {
.sclk_pin = GPIO_PIN(PORT_A, 5),
.cs_pin = GPIO_UNDEF,
.rccmask = RCC_APB2ENR_SPI1EN,
.apbbus = APB2
.apbbus = APB2,
#ifdef MODULE_PERIPH_DMA
.tx_dma = 1,
.tx_dma_chan = 1,
.rx_dma = 0,
.rx_dma_chan = 1,
#endif
}
};